highs from today. 63 in napa, a little warmer tomorrow and into wednesday, temperatures friend down, more clouds. not as cold the next couple mornings, if you are waking up with frost on the windshield, you will find it. most of us will be dealing with temperatures in the low 40s. there will be some mid 30s and cooler spots on the north bay. there is a system to the north. high pressure setting us up, but not more long. the low pressure that is south will work its way in the forecast wednesday night into thursday. tomorrow, like today, but warmer. wednesday, like today, but warmer. thursday, not at all like today. clouds will increase, showers by thursday night into friday morning. forecast, overnight low, again, around napa, you will get 38 and frost, but most of us will linger in the mid 40s and upper 40s. it is cool when you send the kids of to school.